Color-Change

Showing 1–24 of 81 resultsSorted by latest

  • A 1.77-carat Montana sapphire, oval-cut with intricate facets and a teal-green hue, rests on a textured gray surface above the "Earth's Treasury" text.

    1.77-Carat Green Tricolor Color-Change Montana Sapphire

    $4,300.00

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  • A 1.21-carat Montana sapphire with a bluish-gray hue is displayed on a textured gray surface, featuring the "Earth's Treasury" logo at the bottom.

    1.21-Carat Light Violet to Purple Color-Change Montana Sapphire

    $2,450.00

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  • A 1.49-carat teal blue to violet color-change Montana sapphire with faceted cuts displayed on a textured light background, featuring the "Earth's Treasury" logo and text at the bottom.

    1.49-Carat Teal to Violet Color-Change Montana Sapphire (Heated)

    $2,500.00

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  • A round, faceted 1.55-carat medium blue to purple color-change Montana sapphire is displayed on a textured silver surface, with the "Earth's Treasury" logo and text at the bottom.

    1.55-Carat Sky Blue to Purple Color-Change Montana Sapphire (Heated)

    $2,900.00

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  • A 1.61-carat, round brilliant-cut Montana sapphire—exhibiting a striking color change from teal blue to purple—is displayed upright on a textured gray surface, with the text "EARTH'S TREASURY" beneath it.

    1.61-Carat Teal Blue to Violet Color-Change Montana Sapphire (Heated)

    $2,950.00

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  • A 1.71-carat teal to violet blue color-change Montana sapphire, cut in a round brilliant style, is displayed on a textured surface. The Earth's Treasury logo and name appear at the bottom of the image.

    1.71-Carat Teal to Violet Blue Color-Change Montana Sapphire (Heated)

    $3,300.00

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  • 1.82-carat Montana teal to violet blue color-change sapphire, round brilliant-cut, displayed on a textured surface with the "Earth's Treasury" logo and text at the bottom.

    1.82-Carat Montana Teal to Violet Blue Color-Change Sapphire (Heated)

    $4,550.00

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  • A 1.66-carat aqua to steely blue-gray color-change Montana sapphire, cut into a round, faceted shape, is displayed upright on a textured surface with the words "Earth's Treasury" below it.

    1.66-Carat Mint Green to Gray Color-Change Montana Sapphire (Heated)

    $3,200.00

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  • 2.08-Carat Light Cornflower Blue to Violet Color-Change Ceylon Sapphire (Heated)

    2.08-Carat Light Cornflower Blue to Violet Color-Change Ceylon Sapphire (Heated)

    $5,200.00

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  • A 2.23-carat Cornflower Blue to Violet color-change Ceylon sapphire, expertly cut in an oval shape, rests on a textured gray surface with the Earth’s Treasury logo at the bottom.

    2.23-Carat Cornflower Blue to Violet Color-Change Ceylon Sapphire (Heated)

    $5,800.00

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  • A 1.04-carat round brilliant Montana sapphire with angular facets rests on a textured gray surface; the "Earth's Treasury" logo is shown at the bottom.

    1.04-Carat Light Gray to Pale Lilac Color-Change Montana Sapphire

    $2,100.00

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  • 1.91-Carat Violet-Blue to Purple Color-Change Ceylon Sapphire (Heated)

    1.91-Carat Violet-Blue to Purple Color-Change Ceylon Sapphire (Heated)

    $4,100.00

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  • A 2.38-carat purplish gray to lilac pink Montana sapphire (unheated) rests on a textured surface, with "EARTH'S TREASURY" and logo shown at the bottom.

    2.38-Carat Purplish Gray to Lilac Pink Montana Sapphire (Unheated)

    $4,550.00

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  • A 2.06-carat aqua blue to periwinkle unheated Montana sapphire rests on a textured metallic surface, with the "EARTH'S TREASURY" logo and text beneath it.

    2.06-Carat Aqua Blue to Periwinkle Montana Sapphire (Unheated)

    $5,100.00

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  • A square-cut, faceted 1.66-carat Ceylon Sapphire with a light purple hue is displayed on a textured, light-colored surface featuring the "EARTH'S TREASURY" logo and text below it.

    1.66-Carat Violet to Purple Color-Change Ceylon Sapphire

    $3,800.00

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  • A 1.08-carat heated Montana sapphire in an oval cut is displayed on a textured gray surface, with the "Earth's Treasury" logo and text shown below.

    1.08-Carat Blue to Purple Color-Change Montana Sapphire (Heated)

    $1,100.00

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  • A 0.30-carat Color-Change Garnet is showcased on a textured gray surface with "EARTH'S TREASURY" displayed at the bottom.

    0.30-Carat Steely Blue to Purple Color Change Garnet

    $250.00

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  • A 0.96-carat color-change garnet, round and faceted, is displayed on a gray textured surface with "EARTH'S TREASURY" at the bottom.

    0.96-Carat Deep Steely Blue to Purple Color Change Garnet

    $800.00

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  • A 0.28-carat color-change garnet, round and faceted, is displayed on a textured gray surface with "Earth's Treasury" at the bottom.

    0.28-Carat Lavender to Lilac Purple Color Change Garnet

    $250.00

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  • A 0.29-carat color-change garnet with a dark blue-gray hue rests on a textured metallic surface, with the text "EARTH'S TREASURY" visible at the bottom.

    0.29-Carat Steely Blue to Purple Color Change Garnet

    $250.00

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  • A 0.39-carat color-change garnet, cut in a rectangular faceted shape, rests on a textured light surface with the "EARTH'S TREASURY" logo beneath it.

    0.39-Carat Steely Blue to Purple Color Change Garnet

    $350.00

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  • A round, faceted 0.42-carat color-change garnet sits on a textured metallic surface, with "EARTH'S TREASURY" displayed at the bottom.

    0.42-Carat Steely Blue to Purple Color Change Garnet

    $350.00

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  • A 0.42-carat color-change garnet gemstone, round and faceted, is displayed on a textured light gray surface with "EARTH'S TREASURY" at the bottom.

    0.42-Carat Deep Steely Teal to Purple Color Change Garnet

    $350.00

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  • A round, faceted 0.43-carat color-change garnet sits on a textured gray surface, with "EARTH'S TREASURY" printed at the bottom.

    0.43-Carat Violet to Magenta Purple Color Change Garnet

    $350.00

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    Add to cartDone

Natural Gemstone Jewelry & Loose Gemstones at Earth’s Treasury

At Earth’s Treasury, we make finding your color easy with one of the widest selections of ethically sourced gemstones available, from Montana sapphires and garnets to tourmaline and emeralds. Our team of talented designers and jewelers is dedicated to creating custom gemstone jewelry that’s as unique as your story. Whether you’re drawn to classic pieces or dream up a one-of-a-kind engagement ring, we’ll guide you every step of the way to ensure your jewelry feels personal, original, and entirely you.